666
0
19
517
2
19
538
0
19
276
0
19
386
0
19
427
0
18
357
3
18
275
0
18
414
2
18
570
3
18
371
4
18
382
0
18
581
9
17
618
8
17
382
0
17
244
0
17
395
2
17
496
4
17
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Keyword(s): lesson1